Heatmasters Mechanical

Owners: Nathan Lehmann, Steven Weiland
Acct #2738
1
Total Licenses
1
Active
1
Locations
2002
Operating Since

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Business Summary

Heatmasters Mechanical has been operating in Chicago since 2002 (~24 years). They currently hold 1 active license across 1 location in JEFFERSON PARK.

Category: Other.

Most recent activity: renewal on 2026-03-25.

Locations

1 address on file
  • 5540 W LAWRENCE AVEJefferson Park · 4 licensesActive
    Licenses (4)
    • Limited Business LicenseActive2026-03-25
    • Limited Business License2024-03-01
    • Limited Business License2022-02-10
    • Limited Business License2020-01-16

Activities

Data not available

Licenses

4 records

One row per license event since 2020. Tap any row for the full record. A renewal with no issuance below it points to a license first issued before our 2020 coverage window.

Limited Business LicenserenewalActiveIssued 2026-03-25 · Expires 2027-12-15
License number
2550
License code
1010
Site number
1
DBA name
Heatmasters Mechanical
Legal name
Heatmasters Mechanical, LLC
Address
5540 W LAWRENCE AVE, CHICAGO, IL 60630
Business activity
Data not available
Application type
RENEW
Conditional approval
N
License start
2025-12-16
Payment date
2026-03-24
Date issued
2026-03-25
Expiration
2027-12-15
Status change
Data not available
Ward
45
Precinct
29
Police district
16
Community area
Jefferson Park
Neighborhood
JEFFERSON PARK
SSA
Data not available
Limited Business LicenselapseIssued 2024-03-01 · Expires 2025-12-15
License number
2550
License code
1010
Site number
1
DBA name
Heatmasters Mechanical
Legal name
Heatmasters Mechanical, LLC
Address
5540 W LAWRENCE AVE, CHICAGO, IL 60630
Business activity
Data not available
Application type
RENEW
Conditional approval
N
License start
2023-12-16
Payment date
2023-12-14
Date issued
2024-03-01
Expiration
2025-12-15
Status change
Data not available
Ward
45
Precinct
29
Police district
16
Community area
Jefferson Park
Neighborhood
JEFFERSON PARK
SSA
Data not available
Limited Business LicenselapseIssued 2022-02-10 · Expires 2023-12-15
License number
2550
License code
1010
Site number
1
DBA name
Heatmasters Mechanical
Legal name
Heatmasters Mechanical, LLC
Address
5540 W LAWRENCE AVE, CHICAGO, IL 60630
Business activity
Data not available
Application type
RENEW
Conditional approval
N
License start
2021-12-16
Payment date
2021-10-26
Date issued
2022-02-10
Expiration
2023-12-15
Status change
Data not available
Ward
45
Precinct
29
Police district
16
Community area
Jefferson Park
Neighborhood
JEFFERSON PARK
SSA
Data not available
Limited Business LicenselapseIssued 2020-01-16 · Expires 2021-12-15
License number
2550
License code
1010
Site number
1
DBA name
Heatmasters Mechanical
Legal name
Heatmasters Mechanical, LLC
Address
5540 W LAWRENCE AVE, CHICAGO, IL 60630
Business activity
Data not available
Application type
RENEW
Conditional approval
N
License start
2019-12-16
Payment date
2020-01-15
Date issued
2020-01-16
Expiration
2021-12-15
Status change
Data not available
Ward
45
Precinct
29
Police district
16
Community area
Jefferson Park
Neighborhood
JEFFERSON PARK
SSA
Data not available

Permits & Construction

Data not available

Property & Census

Neighborhood

Median household income
$71,992
Owner-occupied housing
69.0%
Bachelor’s degree or higher
48.4%
People per sq mi
14,036
White-collar workforce
50.6%
Census tract 17031110502 · ACS 5-year 2024

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